Wednesday
December 11, 2013

# Posts by Vince

Total # Posts: 100

EASY GRAPHING QUESTION
Write the equation of a circle with a center at (2.5, –3.5) and a radius of 1.2.

EASY GRAPHING QUESTION
Write the equation of a circle with a center at (15, –35) and a diameter of 100.

MATH
Write the equation of a parabola with a vertex at (-5, 2) and a directrix y = -1.

MATH
What is the equation of the parabola with a directrix at y = 4 and focus (0, -4).

MATH
Triangle DEF is similar to triangle PQR. Side DE measures 3, side EF measures 7 and side FD measures 9. Side PQ measures 5x – 25 and side QR measures 6x + 4. Find the value of x.

EASY MATH
Write the equation of a hyperbola with a center at (-5, -3), vertices at (-5, -5) and (-5, -1) and co-vertices at (-11, -3) and (1, -3).

EASY MATH QUESTION
What is the probability of rolling a 1, 2, 4, 5, or 6 on a six sided dice? MAKE SURE TO READ THE QUESTION CAREFULLY!

MATH
What is the standard deviation of the following data? If necessary, round your answer to two decimal places. 46, 53, 38, 67, 46, 57, 61, 42, 63, 55, 46

MATH
A bag has 5 red marbles, 6 blue marbles and 4 black marbles. What is the probability of picking a blue marble, replacing it, and then picking a black marble?

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